What is Blue 1 and why is it added to food? Blue 1 is a synthetic dye used in food, drugs, and cosmetics throughout the United States and Europe. Today, the dye is typically made from petroleum, but ...
40 — as well as yellow dyes Nos. 5 and 6, blue dyes Nos. 1 and 2, and green dye No. 3. All these additives are derivatives of petroleum. “The FDA is actively working to develop transparent ...